1. Research Engineer, IIHR—Hydroscience and Engineering, Univ. of Iowa, Iowa City, IA 52242-1585 (corresponding author).
2. Assistant Research Scientist, IIHR—Hydroscience and Engineering, Univ. of Iowa, Iowa City, IA 52242-1585.
3. Deputy Water Power Program Manager, Technology Lead, and Senior Research Engineer, Oak Ridge National Laboratory, 1 Bethel Valley Rd., Oak Ridge, TN 37831.